Title On weak double Roman domination in graphs Type of Research Article Keywords On weak double Roman domination in graphs Abstract On weak double Roman domination in graphs Researchers (First Researcher)، Hossein Abdollahzadeh Ahangar (Second Researcher)، Mustapha Chellali (Third Researcher)، Hadi Rahbani (Fourth Researcher)، Seyed Mahmoud Sheikholeslami Kavkani (Fifth Researcher)